/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.solr.update;

import org.apache.lucene.index.DirectoryReader;
import org.apache.solr.request.SolrQueryRequest;

/**
 * A merge indexes command encapsulated in an object.
 * 
 * @since solr 1.4
 * 
 */
public class MergeIndexesCommand extends UpdateCommand {
	public DirectoryReader[] readers;

	public MergeIndexesCommand(DirectoryReader[] readers, SolrQueryRequest req) {
		super(req);
		this.readers = readers;
	}

	@Override
	public String name() {
		return "mergeIndexes";
	}

	@Override
	public String toString() {
		StringBuilder sb = new StringBuilder(super.toString());
		if (readers != null && readers.length > 0) {
			sb.append(readers[0].directory());
			for (int i = 1; i < readers.length; i++) {
				sb.append(",").append(readers[i].directory());
			}
		}
		sb.append('}');
		return sb.toString();
	}
}
